<template>
  <div class="login">
    <div class="login-box">
      <div class="top">
        <div class="logo"><img src="~@/assets/img/login-logo.png"
               alt=""></div>
      </div>
      <div class="mid">
        <el-form :model="dataForm"
                 :rules="dataRule"
                 ref="dataForm"
                 @keyup.enter.native="dataFormSubmit()"
                 status-icon>
          <el-form-item prop="userName">
            <el-input class="info"
                      v-model="dataForm.userName"
                      placeholder="帐号"></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input class="info"
                      v-model="dataForm.password"
                      type="password"
                      placeholder="密码"></el-input>
          </el-form-item>
          <el-form-item prop="captcha">
            <el-row :gutter="20">
              <el-col :span="14">
                <el-input v-model="dataForm.captcha"
                          placeholder="验证码">
                </el-input>
              </el-col>
              <el-col :span="10"
                      class="login-captcha">
                <img :src="captchaPath"
                     @click="getCaptcha()"
                     alt="">
              </el-col>
            </el-row>
          </el-form-item>
          <el-form-item>
            <div class="item-btn"><input type="button"
                     value="登录"
                     @click="dataFormSubmit()"></div>
          </el-form-item>
        </el-form>
      </div>

      <div class="bottom">Copyright © 2019 广州亚米科技有限公司</div>
    </div>
  </div>
</template>

<script>
import { getUUID } from '@/utils'
export default {
  data () {
    return {
      dataForm: {
        userName: '',
        password: '',
        uuid: '',
        captcha: ''
      },
      dataRule: {
        userName: [
          { required: true, message: '帐号不能为空', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' }
        ],
        captcha: [
          { required: true, message: '验证码不能为空', trigger: 'blur' }
        ]
      },
      captchaPath: ''
    }
  },
  created () {
    this.getCaptcha()
  },
  methods: {
    // 提交表单
    dataFormSubmit () {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          this.$http({
            url: this.$http.adornUrl('/login?grant_type=admin'),
            method: 'post',
            data: this.$http.adornData({
              'principal': this.dataForm.userName,
              'credentials': this.dataForm.password,
              'sessionUUID': this.dataForm.uuid,
              'imageCode': this.dataForm.captcha
            })
          }).then(({ data }) => {
            this.$cookie.set('Authorization', 'bearer' + data.access_token)
            this.$router.replace({ name: 'home' })
          }).catch(() => {
            this.getCaptcha()
          })
        }
      })
    },
    // 获取验证码
    getCaptcha () {
      this.dataForm.uuid = getUUID()
      this.captchaPath = this.$http.adornUrl(`/captcha.jpg?uuid=${this.dataForm.uuid}`)
    }
  }
}
</script>

<style lang="scss">
.login {
  width: 100%;
  height: 100%;
  background: url(~@/assets/img/login-bg.png) no-repeat;
  background-size: cover;
  position: fixed;
}
.login .login-box {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  padding-top: 10%;
}
.login .login-box .top {
  margin-bottom: 30px;
  text-align: center;
}
.login .login-box .top .logo {
  font-size: 0;
}
.login .login-box .top .company {
  font-size: 16px;
  margin-top: 10px;
}
.login .login-box .mid {
  font-size: 14px;
}
.login .login-box .mid .item-btn {
  margin-top: 20px;
}
.login .login-box .mid .item-btn input {
  border: 0;
  width: 100%;
  height: 40px;
  box-shadow: 0;
  background: #1f87e8;
  color: #fff;
  border-radius: 3px;
}
.info {
  width: 410px;
}
.login-captcha {
  height: 40px;
}
.login .login-box .bottom {
  position: absolute;
  bottom: 10%;
  width: 100%;
  color: #999;
  font-size: 12px;
  text-align: center;
}
</style>
